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RelationalSqlTranslatingExpressionVisitor.TranslateCount Metode

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Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Overload

TranslateCount(Expression)
TranslateCount(SqlExpression)
Kedaluwarsa.

Menerjemahkan Hitungan atas ekspresi ke representasi SQL yang setara.

TranslateCount(Expression) 

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression TranslateCount (System.Linq.Expressions.Expression expression = default);
abstract member TranslateCount : System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateCount : System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Public Overridable Function TranslateCount (Optional expression As Expression = Nothing) As SqlExpression

Parameter

expression
Expression

Mengembalikan

SqlExpression

Berlaku untuk

TranslateCount(SqlExpression)

Perhatian

Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods

Menerjemahkan Hitungan atas ekspresi ke representasi SQL yang setara.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression TranslateCount (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? TranslateCount (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
[System.Obsolete("Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? TranslateCount (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
abstract member TranslateCount : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateCount : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
[<System.Obsolete("Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods")>]
abstract member TranslateCount : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateCount : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Public Overridable Function TranslateCount (sqlExpression As SqlExpression) As SqlExpression

Parameter

sqlExpression
SqlExpression

Ekspresi untuk menerjemahkan Hitungan.

Mengembalikan

SqlExpression

Terjemahan SQL dari Hitungan atas ekspresi yang diberikan.

Atribut
ObsoleteAttribute

Berlaku untuk